work database

go/go.mod

@@ -7,7 +7,7 @@ require (
 	github.com/go-telegram-bot-api/telegram-bot-api/v5 v5.5.1 // indirect
 	github.com/gorilla/websocket v1.5.3 // indirect
 	github.com/joho/godotenv v1.5.1 // indirect
-	github.com/mattn/go-sqlite3 v1.14.46 // indirect
+	github.com/mattn/go-sqlite3 v1.14.47 // indirect
 	golang.org/x/net v0.44.0 // indirect
 	golang.org/x/sync v0.17.0 // indirect
 )

go/go.sum

@@ -8,6 +8,8 @@ github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
 github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
 github.com/mattn/go-sqlite3 v1.14.46 h1:ZfaNcYO/CGNMRxkN1vvG9qf+Y+uvXfgT9a6MlEw+HmU=
 github.com/mattn/go-sqlite3 v1.14.46/go.mod h1:6JTjA44L93a0QCyJef5YvlPoKXntQPjzWv5gtm9sB6w=
+github.com/mattn/go-sqlite3 v1.14.47 h1:jOBI62gS7nKeZv+as1oGEy0+1qISgXwH/QBlR6KbfIo=
+github.com/mattn/go-sqlite3 v1.14.47/go.mod h1:6JTjA44L93a0QCyJef5YvlPoKXntQPjzWv5gtm9sB6w=
 golang.org/x/net v0.44.0 h1:evd8IRDyfNBMBTTY5XRF1vaZlD+EmWx6x8PkhR04H/I=
 golang.org/x/net v0.44.0/go.mod h1:ECOoLqd5U3Lhyeyo/QDCEVQ4sNgYsqvCZ722XogGieY=
 golang.org/x/sync v0.17.0 h1:l60nONMj9l5drqw6jlhIELNv9I0A4OFgRsG9k2oT9Ug=

go/sql/.gitignore

@@ -0,0 +1 @@
+*.db

go/sql/l1.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"fmt"
+	//"net/http"
+	//"io"
+	"database/sql"
+	_ "github.com/mattn/go-sqlite3"
+)
+
+func main() {
+	fmt.Printf("Your name? ")
+	var username string
+	fmt.Scan(&username)
+	db, err := sql.Open("sqlite3", "./base.db")
+	if err != nil {
+		panic(err)
+	}
+	defer db.Close()
+
+	sqlStmt := `CREATE TABLE IF NOT EXISTS users (id INTEGER NOT NULL PRIMARY KEY, name TEXT);`
+	_, err = db.Exec(sqlStmt)
+	if err != nil {
+		panic(err)
+	}
+	_, err = db.Exec("INSERT INTO users(name) VALUES(?)", username)
+	if err != nil {
+		panic(err)
+	}
+	rows, err := db.Query("SELECT id, name FROM users")
+	if err != nil {
+		panic(err)
+	}
+	for rows.Next() {
+		var id int
+		var name string
+		rows.Scan(&id, &name)
+		fmt.Printf("Name %s, ID %d\n", name, id)
+	}
+}